Absorbent article with elasticized region

Abstract

A disposable absorbent article may include a topsheet, backsheet, absorbent core, and an elasticized region disposed in a leg gasketing system and/or a waist gasketing element. The elasticized region may include a first elastic member and a second elastic member. The first elastic member is joined to the article at both a first contraction starting point and a first contraction ending point, and the second elastic member is joined to the article at both a second contraction starting point and a second contraction ending point. The first contraction starting point is disposed on a first start axis and the second contraction starting point is disposed on a second start axis, wherein the second start axis is different than the first start axis.

What is claimed is: 
     
         1 . A disposable absorbent article for wearing about the lower torso of a wearer, the disposable absorbent article comprising:
 a first waist region having a first waist edge, a second waist region having a second waist edge, a crotch region disposed between the first and second waist regions; and a first longitudinal edge and a second longitudinal edge;   a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet, and a chassis periphery defined by the first and second waist edges and the first and second longitudinal edges; and   an elasticized component attached to or integral with the chassis and comprising an elasticized region and an outermost edge, wherein:
 the elasticized region comprises a first elastic member and a second elastic member, each extending in a direction of extension, and where the first elastic member is disposed between the second elastic member and the outermost edge; 
 wherein the first elastic member is joined to the elasticized component at both a first contraction starting point and a first contraction ending point and the second elastic member is joined to the elasticized component at both a second contraction starting point and a second contraction ending point; and 
 wherein the first contraction starting point is disposed on a first start axis that is substantially perpendicular to the direction of extension and the second contraction starting point is disposed on a second start axis that is substantially perpendicular to the direction of extension; and 
 wherein the second start axis is different than the first start axis. 
   
     
     
         2 . The disposable absorbent article of  claim 1  wherein:
 the first contraction ending point is disposed on a first end axis that is substantially perpendicular to the direction of extension of the elastic members; 
 the second contraction ending point is disposed on a second end axis that is substantially perpendicular to the direction of extension of the elastic members; and 
 wherein the first and second end axes are different. 
 
     
     
         3 . The disposable absorbent article of  claim 1  wherein the chassis periphery comprises a hourglass shape. 
     
     
         4 . The disposable absorbent article of  claim 1  further comprising a first initial intersection point and a second initial intersection point wherein the first contraction starting point is disposed at an angle, β, with respect to the second contraction starting point and the first initial intersection point is disposed the angle, β±5°, with respect to the second initial intersection point. 
     
     
         5 . The disposable absorbent article of  claim 1  further comprising a first terminating intersection point and a second terminating intersection point wherein the first contraction ending point is disposed at an angle, γ, with respect to the second contraction ending point and the first terminating intersection point is disposed at the angle, γ±5°, with respect to the second terminating intersection point. 
     
     
         6 . The disposable absorbent article of  claim 1  further comprising an attachment zone wherein in the attachment zone:
 the first elastic member is joined to the elasticized component at two attachment intervals wherein the two attachment intervals are separated by an unattached span; and 
 the second elastic member is continuously joined to the elasticized component. 
 
     
     
         7 . The disposable absorbent article of  claim 1  wherein
 the first elastic member comprises a first strain, ε 1 ; 
 the second elastic member comprises a second strain, ε 2 ; and 
 the first strain, ε 1 , is different than the second strain, ε 2 . 
 
     
     
         8 . The disposable absorbent article of  claim 1  where the first elastic member and/or the second elastic member is joined to the elasticized component by strand coating. 
     
     
         9 . The disposable absorbent article of  claim 1  wherein the elasticized component comprises a leg gasketing system having an inner cuff and an outer cuff, wherein the elasticized region is disposed in one of the inner cuff or outer cuff, wherein the one of the inner cuff or outer cuff comprises a longitudinal cuff edge and the longitudinal cuff edge is the outermost edge of the component. 
     
     
         10 . The disposable absorbent article of  claim 9  wherein:
 the leg gasketing system comprises a web of material; the inner cuff comprises an inner cuff folded edge and an inner cuff material edge; and the outer cuff comprises an outer cuff folded edge and an outer cuff material edge such that the web of material is folded laterally inward to form the outer cuff folded edge and folded laterally outward to form the inner cuff material edge, and 
 wherein the leg gasketing system extends from the first waist edge to the second waist edge and is joined to the topsheet and/or backsheet between the inner cuff folded edge and the outer cuff folded edge in the crotch region. 
 
     
     
         11 . The disposable absorbent article of  claim 9  wherein the longitudinal cuff edge is disposed outboard the chassis longitudinal edge. 
     
     
         12 . The disposable absorbent article of  claim 1  wherein the elasticized component comprises a waist gasketing element disposed in the first waist region or the second waist region. 
     
     
         13 . A disposable absorbent article for wearing about the lower torso of a wearer, the disposable absorbent article comprising:
 a first waist region having a first waist edge, a second waist region having a second waist edge, a crotch region disposed between the first and second waist regions; and a first longitudinal edge and a second longitudinal edge;   a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet, and a chassis periphery defined by the first and second waist edges and the first and second longitudinal edges; and   an elasticized component integral with or attached to the chassis and comprising an elasticized region and an outermost edge, wherein:
 the elasticized region comprises a first elastic member and a second elastic member, where the first elastic member is disposed between the second elastic member and the outermost edge; 
 wherein the first elastic member is joined to the elasticized region at both a first contraction starting point and a first contraction ending point and has a first contraction region extending between the first contraction starting point and the first contraction ending point; 
 and the second elastic member is joined to the elasticized region at both a second contraction starting point and a second contraction ending point and has a second contraction region extending between the second contraction starting point and the second contraction ending point; and 
 wherein the first contraction region differs from the second contraction region by one of the group consisting of the length of the contraction region, amount of contraction, bonding material, bond strength, bond dimensions and combinations thereof. 
   
     
     
         14 . The disposable absorbent article of  claim 13  wherein the elasticized component comprises a leg gasketing system, having an inner cuff and an outer cuff, wherein the elasticized region is disposed in one of the inner cuff or the outer cuff, and the one of the inner cuff or the outer cuff comprises a longitudinal cuff edge and the longitudinal cuff edge is the outermost edge of the component. 
     
     
         15 . The disposable absorbent article of  claim 14  wherein:
 the leg gasketing system comprises a web of material; the inner cuff comprises an inner cuff folded edge and an inner cuff material edge; and the outer cuff comprises an outer cuff folded edge and an outer cuff material edge such that the web of material is folded laterally inward to form the outer cuff folded edge and folded laterally outward to form the inner cuff material edge, and 
 wherein the leg gasketing system extends from the first waist edge to the second waist edge and is joined to the topsheet and/or backsheet between the inner cuff folded edge and the outer cuff folded edge in the crotch region. 
 
     
     
         16 . The disposable absorbent article of  claim 13  further comprising an attachment zone wherein in the attachment zone:
 the first elastic member is joined to the elasticized component at two attachment intervals wherein the two attachment intervals are separated by an unattached span; and 
 the second elastic member is continuously joined to the elasticized component. 
 
     
     
         17 . The disposable absorbent article of  claim 13  wherein:
 the first elastic member comprises a first strain, ε 1 ; 
 the second elastic member comprises a second strain, ε 2 ; and 
 the first strain, ε 1 , is different than the second strain, ε 2 . 
 
     
     
         18 . The disposable absorbent article of  claim 13  where the first elastic member and/or the second elastic member is joined to the elasticized component by strand coating. 
     
     
         19 . The disposable absorbent article of  claim 14  wherein the longitudinal cuff edge is disposed outboard the chassis longitudinal edge. 
     
     
         20 . The disposable absorbent article of  claim 13  wherein the elasticized component comprises a waist gasketing element. 
     
     
         21 . A disposable absorbent article for wearing about the lower torso of a wearer, the disposable absorbent article comprising:
 a first waist region having a first waist edge, a second waist region having a second waist edge, a crotch region disposed between the first and second waist regions; and a first longitudinal edge and a second longitudinal edge;   a chassis comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and backsheet, and a chassis periphery defined by the first and second waist edges and the first and second longitudinal edges; and   an elasticized component integral with or attached to the chassis and comprising an elasticized region and an outer most edge, wherein:
 the elasticized region comprises a first set of elastic members extending in a first direction of extension and a second set of elastic members extending in a second direction of extension, where the first set of elastic members is disposed between the second set and the outermost edge; 
 wherein the first set of elastic members is joined to the elasticized component at both a first set of contraction starting points and a first set of contraction ending points and wherein the second set of elastic members is joined to the elasticized component at both a second set of contraction starting points and a second set of contraction ending points; and 
 wherein the first set of starting points is disposed on a first start axis that is substantially perpendicular to the first direction of extension and the second set of starting points is disposed on a second axis that is substantially perpendicular to the second direction of extension, and wherein the second start axis is different than the first start axis.